Hach-Lange SURFACE SCATTER 7 sc Turbidimeter - Manual (Page 25)

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Installation
Figure 13 SS7 sc plumbing diagram
1 Sample in 9 Power in for sc100
2 Flow control valve (recommended) 10 ¾-in. NPT nipple (supplied)
3 ¾-in.NPT x ¾-in. ID Hose Adapter
(supplied with bubble trap) 11 Ball valve (supplied)
4 Bubble trap (optional) 12 ¼-in. air purge fitting (50 SCFH instrument air max)
5 127 mm (5 in.) minimum 13 1-in. NPT nipple (supplied)
6 Sample unit 14 ¾-in. NPT nipple (supplied)
7 sc100 15 To drain
8 Customer supplied power on/off switch box (NEMA 4X)
required for agency compliance 16 ¾-in. ID hose (customer supplied)